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Finding the Fourth Proportional to 125,404.80, 188,156.16 and 55,234.92

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Solution

The fourth proportional to 125,404.80, 188,156.16 and 55,234.92 is: 82,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,404.80 : 188,156.16 = 55,234.92 : x
  2. Step 2: Convert to fraction form
    125,404.80/188,156.16 = 55,234.92/x
  3. Step 3: Cross multiply
    125,404.80x = 188,156.16 × 55,234.92
  4. Step 4: Simplify right side
    125,404.80x = 10,392,790,445.11
  5. Step 5: Solve for x
    x = 10,392,790,445.11/125,404.80
  6. Step 6: Final answer
    x = 82,873.94

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